πagarwalmath · 1st grade · Common Core MP.1
🚀 Challenge puzzles
Make sense of problems and keep at them (puzzles that need thinking, not a known method)
Name: ______________________Date: ____________
1What digit goes in the box? 2☐ + 2 = 27
Answer: ______________
2What digit goes in the box? 4☐ + 6 = 46
Answer: ______________
3What digit goes in the box? 2☐ + 5 = 29
Answer: ______________
4I think of a number. I add 2, then take away 9. Now I have 4. What number did I start with?
Answer: ______________
5What digit goes in the box? 1☐ + 1 = 15
Answer: ______________
6What digit goes in the box? 2☐ + 2 = 24
Answer: ______________
7What digit goes in the box? 4☐ + 2 = 47
Answer: ______________
8What digit goes in the box? 5☐ + 4 = 58
Answer: ______________
9What digit goes in the box? 8☐ + 4 = 86
Answer: ______________
10What digit goes in the box? 8☐ + 1 = 84
Answer: ______________
11What digit goes in the box? 4☐ + 1 = 42
Answer: ______________
12I think of a number. I add 6, then take away 5. Now I have 4. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 5
- 2. 0
- 3. 4
- 4. 11
- 5. 4
- 6. 2
- 7. 5
- 8. 4
- 9. 2
- 10. 3
- 11. 1
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1